Stainless Steel 304 Pipe
Stainless Steel 304 Pipe
ASTM A312 TP304 material is a Stainless Steel 304 Pipe made for different applications. There are different grades within the stainless pipes. Steel India Company is a manufacturer, stockiest and distributor of these pipes and products. The Stainless Steel 304 Seamless Pipe is one of the most widely used because of the low cost. the ASTM A554 TP304 Square Pipe has certain level of corrosion resistance with good strength. The cost effectiveness of the SS 304 ERW Pipe make it adopted over a wide range of applications. The ASTM A270 TP304 Dairy Pipe has chromium and nickel components in the composition and it comes in different types such as the SS 304 seamless pipe and the electric resistance welded tubes.
Stainless Steel 304 Seamless Pipe Supplier in India
There are different sizes of these pipes as well. These SS 304 Pipe are used for various purposes like Sanitary, Dairy, Conduit, Decorative and Hydraulic. These pipes vary from ½ inches to 60 inches. There are also different pressure classes. The ASTM A778 TP304 tube is used in petroleum, pharmaceutical, oil and gas, marine and other industries. Our pipe products come in different shapes such as the oval, ASTM A554 grade mt304 square pipe, rectangular and hexagonal shapes. We also take custom orders with custom requirements. Steel India supply SS 304 Pipe to UAE, Saudi Arabia, Malaysia, Oman, Netherlands and USA. Please contact us for your piping needs

SS 304 Seamless Pipe
Stainless Steel 304 Pipe Specification
| Specification | ASTM A312 / ASME SA312 |
|---|---|
| Standard Size | 1/8″to 16″ |
| Length | Custom |
| DN | DN 6 to DN 750 |
| Schedule | 5 to XXH |
| Technique | Hot Formed / Cold Formed / Precision Rolled |
| Form | Square, Round, Rectangle |
| End | Plain / Beveled |
| Finishing Treatment | Cold finished / Hot finished |
| Material Group | ISO Group M |
| Standard | ASME-B36.19M |
| Supply Condition | Bright Annealed, Heat Treated, Solution Annealed |
304 Stainless Steel Pipe Sizes and Weight Chart
| Size | NPS | W.T. | Outer Diameter | Inner Dia | Length in (Inches) | Weight in (Lb/Ft) |
|---|---|---|---|---|---|---|
| 1-1/2" x SCH80 | 1-1/2" | 0.2" | 1.9" | 1.5" | 240.00" | 3.665 |
| 3" x SCH5 | 3" | 0.083" | 3.5" | 3.334" | 240.00" | 3.029 |
| 1/4" x SCH40 | 1/4" | 0.088" | 0.54" | 0.364" | 240.00" | 0.430 |
| 3" x SCH10 | 3" | 0.12" | 3.5" | 3.26" | 240.00" | 4.370 |
| 1-1/2" x SCH40 | 1-1/2" | 0.145" | 1.9" | 1.61" | 240.00" | 2.740 |
| 3/8" x SCH40 | 3/8" | 0.091" | 0.675" | 0.493" | 240.00" | 0.573 |
| 2-1/2" x SCH40 | 2-1/2" | 0.203" | 2.875" | 2.469" | 250.00" | 5.810 |
| 1/2" x SCH40 | 1/2" | 0.147" | 0.84" | 0.546" | 240.00" | 0.860 |
| 2" x SCH5 | 2" | 0.065" | 2.375" | 2.245" | 240.00" | 1.600 |
| 1/2" x SCH80 | 1/2" | 0.147" | 0.84" | 0.546" | 240.00" | 1.098 |
| 3/4" x SCH40 | 3/4" | 0.113" | 1.05" | 0.824" | 240.00" | 1.140 |
| 1-1/2" x SCH10 | 1-1/2" | 0.109" | 1.9" | 1.682" | 240.00" | 2.100 |
| 2" x SCH80 | 2" | 0.218" | 2.375" | 1.939" | 240.00" | 5.069 |
| 1-1/4" x SCH40 | 1-1/4" | 0.14" | 1.66" | 1.38" | 240.00" | 2.290 |
| 3/4" x SCH80 | 3/4" | 0.154" | 1.05" | 0.742" | 240.00" | 1.487 |
| 1" x SCH40 | 1" | 0.179" | 1.315" | 0.957" | 240.00" | 1.689 |
| 2" x SCH40 | 2" | 0.154" | 2.375" | 2.067" | 240.00" | 3.690 |
| 1" x SCH80 | 1" | 0.179" | 1.315" | 0.957" | 240.00" | 2.192 |
| 2" x SCH10 | 2" | 0.109" | 2.375" | 2.157" | 240.00" | 2.638 |
| 1" x SCH10 | 1" | 0.133" | 1.315" | 1.049" | 240.00" | 1.420 |
ASTM A312 TP304 Pipe in Seamless, Welded and ERW
SA 312 TP 304 EFW Pipe
ASTM A312 TP304 Polished Pipe
1.4301 Stainless Steel Square Pipe
SS 304 ERW Pipe
UNS S30400 Polished Tube
AISI 304 Schedule 10 Pipe
DIN 1.4301 Structural Pipe
SA 312 TP 304 Welded Pipe
SUS 304 Electropolished Pipe
SUS304 Stainless Steel Boiler Pipe
INOX AISI 304 Round Pipe
304 SS Rectangular Pipe
Exporter of SCH. 10S to XXS Wall Thickness AISI 304 Welded Pipe in India
304 Stainless Steel Pipe Wall Thickness and Schedule Chart
SUS 304 ERW Pipe with 100% X-Ray Testing

Welding Electrodes for SS 304 ERW Pipe
| Material | Grade of Stick Welding Electrode |
|---|---|
| SA 312 TP 304 Welded Pipe | E308 |
SS 304 Seamless Pipe Size Chart
ASTM A312 TP304 Pipe Thickness Chart
| NPS | W.T. (SCH 10) | OD (Outside Diameter) |
|---|---|---|
| 6" | 0.134" (3.40 MM) | 6.625" (168.28 MM) |
| 18" | 0.188" (4.78 MM) | 18.000" (457.20 MM) |
| 3/4" | 0.083" (2.11 MM) | 1.050" (26.67 MM) |
| 1" | 0.109" (2.77 MM) | 1.315" (33.40 MM) |
| 3-1/2" | 0.120" (3.05 MM) | 4.000" (101.60 MM) |
| 12" | 0.180" (4.57 MM) | 12.750" (323.85 MM) |
| 1-1/2" | 0.109" (2.77 MM) | 1.900" (48.26 MM) |
| 8" | 0.148" (3.76 MM) | 8.625" (219.08 MM) |
| 1/2" | 0.083" (2.11 MM) | 0.840" (21.34 MM) |
| 20" | 0.218" (5.54 MM) | 20.000" (508.00 MM) |
| 10" | 0.165" (4.19 MM) | 10.750" (273.05 MM) |
| 3/8" | 0.065" (1.65 MM) | 0.675" (17.15 MM) |
| 10" | 0.165" (4.19 MM) | 10.750" (273.05 MM) |
| 24" | 0.218" (5.54 MM) | 24.000" (609.60 MM) |
| 8" | 0.148" (3.76 MM) | 8.625" (219.08 MM) |
| 1/4" | 0.065" (1.65 MM) | 0.540" (13.72 MM) |
| 2" | 0.109" (2.77 MM) | 2.375" (60.33 MM) |
| 1/8" | 0.049" (1.24 MM) | 0.405" (10.29 MM) |
| 3" | 0.120" (3.05 MM) | 3.500" (88.90 MM) |
| 16" | 0.188" (4.78 MM) | 16.000" (406.40 MM) |
| 4" | 0.120" (3.05 MM) | 4.500" (114.30 MM) |
| 14" | 0.188" (4.78 MM) | 14.000" (355.60 MM) |
| 5" | 0.134" (3.40 MM) | 5.563" (141.30 MM) |
| 1-1/4" | 0.109" (2.77 MM) | 1.660" (42.16 MM) |
Dimensions of Stainless Steel 304 Pipe
Pressure Rating of SS 304 ERW Pipe
Stainless Steel 304 Pipe Chemical Composition
| GRADES | Si, (Silicon) | C, (Carbon) | N, (Nitrogen) | Cr, (Chromium) | Mn, (Manganese) | Ni, (Nickel) | S, (Sulfur) | Fe, (Iron) | P, (Phosphorous) |
|---|---|---|---|---|---|---|---|---|---|
| SS 304 | 0.75 Max | 0.08 Max | – | 18-20 | 2 Max | 8-11 | 0.030 Max | Balance | 0.040 |
ASTM A312 TP304 Mechanical Properties
| Grade | Tensile Strength in (MPa) min | Rockwell B in (HR B) Max | Elongation (% in 50 MM) Min | Brinell (HB) Max | Yield Strength in 0.2% Proof (MPa) Min | Hardness |
|---|---|---|---|---|---|---|
| SS 304 | 515 MPa | 92 HR B | 40 % | 201 HB | 205 MPa | – |
Physical Properties of Stainless Steel 304 Pipe
| Grade | Density in (Kg/M3) | Elastic Modulus in (G.P.A) | Electrical Resistivity in (N.M) | Specific Heat 0-1000C in (J/kg.k) | Mean Coefficient of Thermal Expansion in (m/m/0C) | Thermal Conductivity in (W/m.K) | |||
|---|---|---|---|---|---|---|---|---|---|
| 0-3150C | 0-5380C | 0-1000C | 1000C | 5000C | |||||
| SS 304 | 8000 Kg/M3 | 193 | 720 | 500 | 17.8 | 18.4 | 17.2 | 16.2 | 21.5 |
304 Stainless Steel Seamless Pipe Equivalent Material
| STANDARDS | WERKSTOFF NR. | GOST | AFNOR | BS | UNS | EN | JIS |
|---|---|---|---|---|---|---|---|
| SS 304 | 1.4301 | 08X18H10 | Z7CN18-09 | 304S31 | S30400 | X5CrNi18-10 | SUS 304 |
Applications of Stainless Steel 304 Pipe

UNS S30400 Polished Pipe Tolerance Chart
| SS 304 Pipe Outer Diameter | A312 TP304 Pipe Tolerance |
|---|---|
| 4 to 35 (MM) | +/- 0.08 (MM) |
| 35 to 38 (MM) | +/- 0.15 (MM) |
| 38 to 60 (MM) | +/- 0.20 (MM) |
| 60 & Above | +/- 0.25 (MM) |
Test Certificates of Stainless Steel 304 Pipe
- Manufacturer Test Certificate
- Govt. Approved Lab. Laboratory Test Certificate
- Third Party Inspection
- (Form III-D) IBR Test Certificate
304 Stainless Steel Pipe Heat Treatment
| Grade | Cooling / Testing Requirments |
Heat Treatment Temprature° |
|---|---|---|
| TP304 / TP304L | C | 1900 °F (1040 °C) |
| TP316 / TP316L | C | 1900 °F (1040 °C) |
Surface Finish of 304 SS Rectangular Pipe
| Surface Finishes | Exterbal Surface (Outside Diameter) | Internal Surface (Inside Diameter) | |||
|---|---|---|---|---|---|
| RA (Roughness Average) | RA (Roughness Average) | ||||
| μm | μ in (Inches) | μm | μ in (Inches) | ||
| Electro Polish | (EP) | 0.8 | 32 | 0.38,0.25,0.20;0.13 | 15,10,7,5 |
| Annealed and Pickled | (AP) | 1.0 or Not Defined | 40 or Not Defined | Not Defined | Not Defined |
| Mechanical Polish | (MP) | 0.8 | 32 | 1.0,0.8,0.6,0.5 | 40,32,25,20 |
| Beight Annealed | (BA) | 0.8 | 32 | 1.0,0.8,0.6,0.5 | 40,32,25,20 |
Stainless Steel 304 Pipe HSN Code
| Grade | HSN Code |
|---|---|
| 304 SS Pipe | 73044900 |
Stocking Distributor of Leading SS 304 Pipe Manufacturers
Inox Tech Spa (Italy)
Stockist of European Origin SS 304 Welded Pipes
Kuroki Tube and Pipe Co. Ltd. (Japan)
Dealer and Distributor of Japan Origin 304 Stainless Steel Seamless Pipe
Welspun Pipe (USA)
Ex-Stock of USA origin SS 304 Pipe in India
TUBOS REUNIDOS GROUP SLU (Spain)
Exporter of European Origin INOX 304 Seamless Pipes
Jindal
SAIL
TATA Steel
RATNAMANI

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